org article; add glossaries and some snippets

settings/general-settings.el

@@ -309,8 +309,10 @@ Version 2016-07-13"
   (;; Note that the built-in `describe-function' includes both functions
    ;; and macros. `helpful-function' is functions only, so we provide
    ;; `helpful-callable' as a drop-in replacement to include `helpful-macro'.
-   ("C-h f" . helpful-callable)
-   ("C-h v" . helpful-variable)
+   ("C-h f" . describe-function)
+   ;; ("C-h f" . helpful-callable)
+   ("C-h v" . describe-variable)
+   ;; ("C-h v" . helpful-variable)
    ("C-h k" . helpful-key)
    ;; Lookup the current symbol at point. C-c C-d is a common keybinding
    ;; for this in lisp modes.